aaronmarkham opened a new issue #13410: ARM QEMU test in CI failed unrelated PR URL: https://github.com/apache/incubator-mxnet/issues/13410 ## Description Test with ARM QEMU fails with some kind of network interruption... Makes wonder about these network issues where dependencies fail to download... should we put in a retry function, so that we don't have to restart our PRs when there's a transient error? ## Error ``` runtime_functions.py: 2018-11-26 03:47:02,687 ['run_ut_py3_qemu'] ⢎⡑ ⣰⡀ ⢀⣀ ⡀⣀ ⣰⡀ ⠄ ⣀⡀ ⢀⡀ ⡎⢱ ⣏⡉ ⡷⢾ ⡇⢸ ⠢⠜ ⠘⠤ ⠣⠼ ⠏ ⠘⠤ ⠇ ⠇⠸ ⣑⡺ ⠣⠪ ⠧⠤ ⠇⠸ ⠣⠜ runtime_functions.py: 2018-11-26 03:47:02,765 Starting VM, ssh port redirected to localhost:2222 (inside docker, not exposed by default) runtime_functions.py: 2018-11-26 03:47:02,765 Starting in non-interactive mode. Terminal output is disabled. runtime_functions.py: 2018-11-26 03:47:02,766 waiting for ssh to be open in the VM (timeout 300s) runtime_functions.py: 2018-11-26 03:47:46,729 wait_ssh_open: port 127.0.0.1:2222 is open and ssh is ready runtime_functions.py: 2018-11-26 03:47:46,729 VM is online and SSH is up runtime_functions.py: 2018-11-26 03:47:46,729 Provisioning the VM with artifacts and sources ssh_exchange_identification: read: Connection reset by peer rsync: safe_write failed to write 4 bytes to socket [sender]: Broken pipe (32) rsync error: unexplained error (code 255) at io.c(320) [sender=3.1.1] runtime_functions.py: 2018-11-26 03:47:46,916 Shutdown via ssh ssh_exchange_identification: read: Connection reset by peer Traceback (most recent call last): File "./runtime_functions.py", line 66, in run_ut_py3_qemu qemu_provision(vm.ssh_port) File "/work/vmcontrol.py", line 186, in qemu_provision qemu_rsync(ssh_port, x, 'mxnet_dist/') File "/work/vmcontrol.py", line 175, in qemu_rsync check_call(['rsync', '-e', 'ssh -o StrictHostKeyChecking=no -p{}'.format(ssh_port), '-a', local_path, 'qemu@localhost:{}'.format(remote_path)]) File "/usr/lib/python3.5/subprocess.py", line 581, in check_call raise CalledProcessError(retcode, cmd) subprocess.CalledProcessError: Command '['rsync', '-e', 'ssh -o StrictHostKeyChecking=no -p2222', '-a', '/work/mxnet/build/mxnet-1.4.0-py2.py3-none-any.whl', 'qemu@localhost:mxnet_dist/']' returned non-zero exit status 255 ```
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